출연진

• 

  Lance Lewman

  Lance Lewman

  Narrator

• 

  Kirk Johnson

  Kirk Johnson

  Himself - Denver Museum of Nature & Science

• D

  Daniel Fisher

  Daniel Fisher

  Himself - University of Michigan

• I

  Ian Miller

  Ian Miller

  Himself - Denver Museum of Nature & Science

• J

  Joseph Sertich

  Joseph Sertich

  Himself - Vertebrate Paleontologist